This layer consists of Average Daily Traffic (ADT) volumes with Vehicle Classification Data for most recent years, on Interstate, Arterial and Primary Routes. It also includes a list of each Interstate and Primary highway segment with the estimated Annual Average Week Day Traffic (AAWDT) for that segment. It includes data from 1986 to 2022

Data Updated: Feb 2024

ADT Quality Codes:

1 A Average of Complete Continuous Data

2 B Average of Selected Continuous Count Data

6 F Factored Short Term Traffic Count Data

7 G Factored Short Term Traffic Count Data with Growth Element

8 H Historical Estimate

13 M Manual Uncounted Estimate

14 N AADT of Similar Neighboring Traffic Link

15 O Provided By External Source

18 R Unfactored 24 Hour Traffic Count

20 T ITE Trip Generation Estimate

24 X Not Available

Class Quality Codes:

1 A Average of Complete Continuous Data

2 B Average of Selected Continuous Count Data

3 C Short Term Classified Traffic Count

4 D Corrected Short Term Classified Traffic Count

6 F Factored Short Term Traffic Count Data

7 G Corrected Factored Short Term Traffic Count Data

8 H Historical Estimate

13 M Mass Collective Average

14 N Classification of Similar Neighboring Traffic Link

24 X Not Available

Pop Up ConfigurationAverage Daily Traffic: {ADT}-----------------------------------------------------------

Route Name: {ROUTE_COMMON_NAME}

Route Type: {RTE_TYPE_CD}Begin Location: {START_LABEL}

End Location: {END_LABEL}

Average Annual Weekday Traffic: {AAWDT}

View in attribute table for more details...